♻️ Onda Filter – Top Mount – D703mm – High-Density Polyethylene Sand Filter

The Onda Filter – Top Mount – D703mm is a high-capacity sand filtration system designed for large residential, hotel, and commercial swimming pools.
Constructed from one-piece, high-density polyethylene (HDPE), it provides excellent chemical resistance, corrosion protection, and long-term durability, ensuring reliable performance for continuous operation.

Equipped with a top-mounted multiport valve, the Onda D703 filter allows easy operation of filtration, backwash, rinse, recirculation, and waste cycles, offering precision, convenience, and efficient pool maintenance.
The internal lateral system ensures even water distribution and high filtration efficiency, maintaining crystal-clear water while minimizing pressure drop.

✅ Key Features

• Top-mount design with multiport valve for simple operation and maintenance

• High-density polyethylene (HDPE) tank – UV and corrosion resistant

• One-piece seamless construction – durable and pressure-tested

• Maximum working pressure: 2.5 bar

• Test pressure: 3.75 bar

• Maximum operating temperature: 40 °C

• Efficient filtration with minimal pressure drop

• Smooth internal surface – prevents debris accumulation and simplifies cleaning

• Robust design for large pool systems

• Compatible with standard pool pumps and sand media

⚙️ Technical Specifications

• Model: Onda Filter D703 (Top Mount)

• Type: High-Density Polyethylene (HDPE) Sand Filter

• Filter diameter: Ø703 mm

• Filtration area: approx. 0.38 m²

• Recommended flow rate: ~15–20 m³/h (depending on pump and pool size)

• Connection size: 2½″ BSP

• Media capacity: approx. 150 kg of sand (0.4–0.8 mm grade)

• Maximum working pressure: 2.5 bar

• Test pressure: 3.75 bar

• Maximum operating temperature: 40 °C

• Height: approx. 1,100 mm

• Installation type: Top-mount multiport valve with pressure gauge and drain plug

📍 Typical Applications

• Large residential swimming pools

• Hotel, spa, and wellness pools

• Commercial and public pools

• Hydrotherapy and wellness facilities

• Systems with high water turnover requiring easy maintenance